CAD .NET 二次开发 二维码绘制
时间: 2024-02-15 22:34:59 浏览: 287
CAD.Net二次开发
二维码绘制是一种常见的CAD二次开发需求,可以通过以下步骤实现:
1. 导入二维码生成库:可以使用开源的ZXing库或商业的Aspose.BarCode库,在CAD .NET项目中导入相关库文件。
2. 定义二维码参数:根据需求定义二维码的大小、内容、颜色、边框等参数。
3. 创建二维码对象:根据定义的参数创建二维码对象,并将其转换为CAD图形对象。
4. 将二维码对象插入到CAD图纸中:使用CAD .NET的插入对象功能将二维码对象插入到CAD图纸中,完成二维码绘制。
以下是一个简单的示例代码:
```csharp
using ZXing;
using ZXing.Common;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.Geometry;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
namespace QrCodeDrawingExample
{
public class QrCodeDrawing
{
[CommandMethod("DrawQrCode")]
public static void DrawQrCode()
{
// 定义二维码参数
int qrCodeSize = 100;
string qrCodeContent = "https://www.example.com";
EncodingOptions encodingOptions = new EncodingOptions
{
Height = qrCodeSize,
Width = qrCodeSize,
Margin = 0,
PureBarcode = false
};
// 创建二维码对象
BarcodeWriter barcodeWriter = new BarcodeWriter();
barcodeWriter.Format = BarcodeFormat.QR_CODE;
barcodeWriter.Options = encodingOptions;
Bitmap bitmap = barcodeWriter.Write(qrCodeContent);
Image image = Image.FromBitmap(bitmap);
Point3d qrCodeInsertionPoint = new Point3d(0, 0, 0);
double qrCodeScaleFactor = 1.0;
// 将二维码对象转换为CAD图形对象
RasterImageDef rasterImageDef = new RasterImageDef
{
SourceFileName = "TempImage.png",
LoadMethod = RasterImageLoadMethod.FromFile,
ShowImage = true
};
rasterImageDef.SetSource(image, new System.IO.MemoryStream());
rasterImageDef.Load();
RasterImage rasterImage = new RasterImage
{
ImageDefId = rasterImageDef.ObjectId,
Rotation = 0,
Normal = new Vector3d(0, 0, 1),
Width = qrCodeSize * qrCodeScaleFactor,
Height = qrCodeSize * qrCodeScaleFactor,
Position = qrCodeInsertionPoint
};
// 将二维码对象插入到CAD图纸中
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
BlockTable bt = trans.GetObject(db.BlockTableId, OpenMode.ForWrite) as BlockTable;
BlockTableRecord btr = trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;
btr.AppendEntity(rasterImage);
trans.AddNewlyCreatedDBObject(rasterImage, true);
trans.Commit();
}
}
}
}
```
以上代码使用ZXing库生成二维码,并将其转换为CAD图形对象,然后使用CAD .NET的插入对象功能将其插入到CAD图纸中。在实际使用中,可以根据需求对二维码的参数和插入位置进行调整。
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